Study of Vadastuximab Talirine (SGN-CD33A; 33A) in Combination With Azacitidine in Patients With Previously Untreated Higher Risk MDS

NCT ID: NCT02706899

Last Updated: 2019-02-12

Study Results

Results available

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Basic Information

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Recruitment Status

TERMINATED

Clinical Phase

PHASE1/PHASE2

Total Enrollment

19 participants

Study Classification

INTERVENTIONAL

Study Start Date

2016-02-29

Study Completion Date

2017-11-06

Brief Summary

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This is a phase 1/2 study to evaluate the combination of vadastuximab talirine (SGN-CD33A; 33A) and azacitidine in subjects with previously untreated International Prognostic Scoring System (IPSS) Intermediate-2 or high risk myelodysplastic syndrome (MDS).

Detailed Description

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In the phase 1 portion of the study, escalating doses of 33A will be evaluated in combination with azacitidine, and a dose of 33A will be selected to proceed to phase 2. The phase 2 portion of the study is randomized, double-blind and placebo-controlled; it is designed to compare the overall response rate (ORR) between 2 study arms.

Conditions

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Myelodysplastic Syndrome

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

QUADRUPLE

Participants Caregivers Investigators Outcome Assessors

Study Groups

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33A + azacitidine

Vadastuximab talirine plus azacitidine

Group Type EXPERIMENTAL

vadastuximab talirine

Intervention Type DRUG

Intravenous (IV) push every 4 weeks

Azacitidine

Intervention Type DRUG

75 mg/m\^2 given intravenously or subcutaneously for 7 days every 4 weeks

Placebo + azacitidine

placebo plus azacitidine

Group Type ACTIVE_COMPARATOR

Azacitidine

Intervention Type DRUG

75 mg/m\^2 given intravenously or subcutaneously for 7 days every 4 weeks

Placebo (for 33A)

Intervention Type DRUG

Placebo supplied in single-use vials matching 33A, IV push every 4 weeks

Interventions

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vadastuximab talirine

Intravenous (IV) push every 4 weeks

Intervention Type DRUG

Azacitidine

75 mg/m\^2 given intravenously or subcutaneously for 7 days every 4 weeks

Intervention Type DRUG

Placebo (for 33A)

Placebo supplied in single-use vials matching 33A, IV push every 4 weeks

Intervention Type DRUG

Other Intervention Names

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33A SGN-CD33A

Eligibility Criteria

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Inclusion Criteria

* Subjects with cytologically/histologically confirmed MDS according to the World Health Organization (WHO) 2008 classification.
* Previously untreated for Myelodysplastic Syndrome (MDS)
* Age ≥18 years of age.
* Eligible for therapy with azacitidine.
* Life expectancy of at least 12 weeks.
* Eastern Cooperative Oncology Group (ECOG) performance status ≤2.
* Adequate baseline laboratory parameters.

Exclusion Criteria

* Received prior treatment for MDS with lenalidomide or hypomethylating agents (HMAs).
* History of one of the following myeloproliferative neoplasms: essential thrombocythemia, polycythemia vera, and primary myelofibrosis.
* Second malignancy currently requiring active therapy (except for hormonal/anti-hormonal treatment, eg, prostate or breast cancer).
* Candidates for allogeneic stem cell transplant at the time of screening.
Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Seagen Inc.

INDUSTRY

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Principal Investigators

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Phillip Garfin

Role: STUDY_CHAIR

Seagen Inc.

Locations

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Banner MD Anderson Cancer Center

Gilbert, Arizona, United States

Site Status

University of Southern California

Los Angeles, California, United States

Site Status

Rocky Mountain Cancer Centers, LLP

Aurora, Colorado, United States

Site Status

Colorado Blood Cancer Institute

Denver, Colorado, United States

Site Status

University of Colorado Hospital

Denver, Colorado, United States

Site Status

Cancer Specialisits of North Florida

Fleming Island, Florida, United States

Site Status

Mayo Clinic

Jacksonville, Florida, United States

Site Status

Georgia Regents University Hospital

Augusta, Georgia, United States

Site Status

Rush University Medical Center

Chicago, Illinois, United States

Site Status

Center for Cancer and Blood Disorders

Bethesda, Maryland, United States

Site Status

University of Michigan Comprehensive Cancer Center

Ann Arbor, Michigan, United States

Site Status

Barbara Ann Karmanos Cancer Institute

Detroit, Michigan, United States

Site Status

University of Minnesota Medical Center (UMMC)

Minneapolis, Minnesota, United States

Site Status

Bozeman Deaconess Health Group

Bozeman, Montana, United States

Site Status

Hackensack University Medical Center

Hackensack, New Jersey, United States

Site Status

The University of New Mexico Cancer Research and Treatment Center

Albuquerque, New Mexico, United States

Site Status

Weill Cornell

Brooklyn, New York, United States

Site Status

Westchester Medical Center

Hawthorne, New York, United States

Site Status

Columbia University Medical Center

New York, New York, United States

Site Status

University of North Carolina at Chapel Hill

Chapel Hill, North Carolina, United States

Site Status

Wake Forest Baptist Health

Winston-Salem, North Carolina, United States

Site Status

Case Western Reserve University (CWRU) - University Hospitals Case Medical Center

Cleveland, Ohio, United States

Site Status

Ohio State University

Columbus, Ohio, United States

Site Status

Providence Portland Research Center

Portland, Oregon, United States

Site Status

Oregon Health & Science

Portland, Oregon, United States

Site Status

University of Pennsylvania, Abramson Cancer Center

Philadelphia, Pennsylvania, United States

Site Status

Medical University of South Carolina

Charleston, South Carolina, United States

Site Status

Tennessee Oncology, PLLC

Nashville, Tennessee, United States

Site Status

Texas Oncology - Austin Midtown

Austin, Texas, United States

Site Status

Baylor University Medical Center

Dallas, Texas, United States

Site Status

MD Anderson Cancer Center

Houston, Texas, United States

Site Status

Cancer Care Centers of South Texas

San Antonio, Texas, United States

Site Status

Swedish Medical Center

Seattle, Washington, United States

Site Status

Froedtert & Medical College of Wisconson Clinical Cancer Center

Milwaukee, Wisconsin, United States

Site Status

Countries

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United States

Provided Documents

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Document Type: Study Protocol

View Document

Document Type: Statistical Analysis Plan

View Document

Other Identifiers

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SGN33A-004

Identifier Type: -

Identifier Source: org_study_id

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